package com.itheima.web;

import com.itheima.pojo.User;
import com.itheima.service.UserService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/selectUserServlet")
public class SelectUserServlet extends HttpServlet {
    private UserService service = new UserService();
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = request.getParameter("username");
        User user = service.selectByUsername(username);
        boolean flag;
        if(user != null){
            flag = true;
        }else{
            flag = false;
        }
        response.getWriter().write("" + flag);
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doGet(request, response);
    }
}
